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Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wirel...
[linux-drm-fsl-dcu.git]
/
drivers
/
net
/
hamradio
/
hdlcdrv.c
diff --git
a/drivers/net/hamradio/hdlcdrv.c
b/drivers/net/hamradio/hdlcdrv.c
index 3169252613faae400904201fa5ad9f1a7decf1cf..5d78c1d08abd60fcc6bcee5dea5ab178a2a166da 100644
(file)
--- a/
drivers/net/hamradio/hdlcdrv.c
+++ b/
drivers/net/hamradio/hdlcdrv.c
@@
-571,6
+571,8
@@
static int hdlcdrv_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
case HDLCDRVCTL_CALIBRATE:
if(!capable(CAP_SYS_RAWIO))
return -EPERM;
+ if (bi.data.calibrate > INT_MAX / s->par.bitrate)
+ return -EINVAL;
s->hdlctx.calibrate = bi.data.calibrate * s->par.bitrate / 16;
return 0;